lakes/streams in north fl highlands are among most acidic in U.S., Feb 21, 1990 Read more about lakes/streams in north fl highlands are among most acidic in U.S., Feb 21, 1990
state's lakes are significantly more acidic due to acid rain, Oct 25, 1990 Read more about state's lakes are significantly more acidic due to acid rain, Oct 25, 1990
state's lakes becoming more acidic; acid rain probable culprit, Oct 30, 1990 Read more about state's lakes becoming more acidic; acid rain probable culprit, Oct 30, 1990
